Siemens Memory Card, Flash-EPROM Type, 2MB Memory - SIMATIC Series - 6ES7953-8LL31-0AA0 Store and transfer data from your PLC using this memory card from Siemens. It saves the programme files of the control system so setting up its operating parameters is straightforward. In the event of a power failure, it will automatically retain its memory, which means you don't have to manually rewrite it on restarting your equipment. For versatility, you can use this unit with PLCs from the S7-300 and ET 200 range. Thanks to a 2MB memory size, it offers enough space to store data for the operating system of your controller. Compact dimensions of 24 (W) x 32 (H) x 1.4mm (D) mean you can fit it easily into standard small card slots in your PLC. Features & Benefits • Light weight of 2g for easy handling
• Minimum write/delete capacity of 100,000 operations for durable performance in the long term How long can this memory card retain data? This memory card has a minimum data retention capacity of 10 years after the final programming. This means you can reliably access legacy data long after the event.